X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=imdct.c;h=8bb52d955c90dea5861bd490ad7a2e5b4a84bf12;hp=f77da7bb7228c6a982dff314ba3fd459f3006d32;hb=d1ff8d2c414883209717cf65e37113f9f52fef63;hpb=6e3e6ad58782bbd5b6249700e6c52fc8e2a16809 diff --git a/imdct.c b/imdct.c index f77da7bb..8bb52d95 100644 --- a/imdct.c +++ b/imdct.c @@ -52,7 +52,7 @@ struct mdct_context { }; /** cos(2 * pi * x / n) for 0 <= x <= n / 4, followed by its reverse */ -#define COSINE_TAB(n) fftsample_t ff_cos_ ## n[n / 2] __aligned(16) +#define COSINE_TAB(n) fftsample_t cos_ ## n[n / 2] __aligned(16) COSINE_TAB(16); COSINE_TAB(32); @@ -68,10 +68,9 @@ COSINE_TAB(16384); COSINE_TAB(32768); COSINE_TAB(65536); -static fftsample_t *ff_cos_tabs[] = { - ff_cos_16, ff_cos_32, ff_cos_64, ff_cos_128, ff_cos_256, - ff_cos_512, ff_cos_1024, ff_cos_2048, ff_cos_4096, ff_cos_8192, - ff_cos_16384, ff_cos_32768, ff_cos_65536, +static fftsample_t *cos_tabs[] = { + cos_16, cos_32, cos_64, cos_128, cos_256, cos_512, cos_1024, cos_2048, + cos_4096, cos_8192, cos_16384, cos_32768, cos_65536, }; static int split_radix_permutation(int i, int n) @@ -167,7 +166,7 @@ static void fft##n(struct fft_complex *z)\ fft##n2(z);\ fft##n4(z+n4*2);\ fft##n4(z+n4*3);\ - pass(z,ff_cos_##n,n4/2);\ + pass(z,cos_##n,n4/2);\ } static void fft4(struct fft_complex *z) { @@ -213,8 +212,8 @@ static void fft16(struct fft_complex *z) TRANSFORM_ZERO(z[0], z[4], z[8], z[12]); TRANSFORM(z[2], z[6], z[10], z[14], SQRTHALF, SQRTHALF); - TRANSFORM(z[1], z[5], z[9], z[13], ff_cos_16[1], ff_cos_16[3]); - TRANSFORM(z[3], z[7], z[11], z[15], ff_cos_16[3], ff_cos_16[1]); + TRANSFORM(z[1], z[5], z[9], z[13], cos_16[1], cos_16[3]); + TRANSFORM(z[3], z[7], z[11], z[15], cos_16[3], cos_16[1]); } DECL_FFT(32, 16, 8) @@ -338,7 +337,7 @@ static int fft_init(struct fft_context *s, int nbits) for (j = 4; j <= nbits; j++) { int k = 1 << j; double freq = 2 * M_PI / k; - fftsample_t *tab = ff_cos_tabs[j - 4]; + fftsample_t *tab = cos_tabs[j - 4]; for (i = 0; i <= k / 4; i++) tab[i] = cos(i * freq); for (i = 1; i < k / 4; i++)